Number format in exported .itx files

When I select a group of waves and save as Igor text (.itx), I find that the numbers look like, for example, 11.7187 ; but I want them to look like 1.17187E+1, is there any built-in way to do this?
No. Igor text is intended to be loaded back into Igor so the numeric format does not matter.

I don't know why you would care about the numeric format in Igor text or any other file format unless you are trying to load data into another program with unusually strict requirements.

Check out the /F flag on the "Save" command, but I think it only works as general text (/G flag), not as itx.
/F didn't work.

I have another program which expects the number format to be as I mentioned.
If you have a program that really expects that exact formatting then it is unlikely that .itx is the file format you want. Only Igor understands .itx file format.

You say /F didn't work, but you don't say what went wrong. Be sure that you have a table with the waves you want to save. Make sure the formatting in the table is exactly what you want in the file. Be sure the table is the top window when you invoke the Save command (or use Data->Save Waves->Save General Text). Be sure you use either Save General Text or Save Delimited Text.

If this doesn't tell you what you need to know, try again with some details.

John Weeks
WaveMetrics, Inc.
support@wavemetrics.com